Housing for the demand regulator of a breathing apparatus



FIG. 1 is a left side elevation of a housing for the demand regular of a breathing apparatus, showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a right side elevation thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom elevation thereof; and

FIG. 7 is a perspective view thereof. 

The ornamental design for a housing for the demand regulator of a breathing apparatus, substantially as shown. 